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FAQs Hub
Clear answers about measuring, choosing and replacing locks, mechanisms and handles. Search for a question or start with the type of hardware you are working with.
Choosing and measuring replacement parts
Understand the measurements and identifying details that help distinguish similar-looking replacement hardware.
Euro cylinder locks
Learn how cylinder sizes, splits, operation and security terminology differ before choosing a replacement.
Multipoint locks, gearboxes and full mechanisms
Understand centre cases, full locking strips and the measurements used to compare multipoint mechanisms.
Mortice locks, night latches and rim cylinders
Compare common lock types and check the details used when replacing hardware on timber doors.
Door handles
Check PZ, fixing centres, backplate dimensions and handle operation before choosing a replacement.
Window mechanisms and handles
Understand espags, shootbolts, cockspur handles and the dimensions used to compare window hardware.
Orders and trade accounts
Find confirmed information about buying from UK Hardware and registering for a trade account.